Typical Timing Chain Arrangement
Dual Overhead Cam Engine

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1. Exhaust cam sproket 2. Guide rail sproket 3. Intake cam 4. Guide rail 5. Timing chain 6. Tensioning spring 7. Tensioning shoe |
8. Oil pump drive gear 9. Oil pump drive chain 10. Crankshaft sprocket 11. Timing chain cover 12. Tensioner rail 13. Timing chain tensioner 14. Cylinder head |

